Vice President Joe Biden, with Attorney General Eric Holder at left, speaks during a meeting with victim's groups and gun safety organizations in the Eisenhower Executive Office Building on the White House complex in Washington, Wednesday, Jan. 9, 2013. Biden is holding a series of meetings this week as part of the effort he is leading to develop policy proposals in response to the Newtown, Conn., school shooting (AP Photo/Susan Walsh)

Vice President Joe Biden, with Attorney General Eric Holder at...

Vice President Joe Biden, fourth from right, with Attorney General Eric Holder at his left, speaks during a meeting with victim's groups and gun safety organizations in the Eisenhower Executive Office Building on the White House complex in Washington, Wednesday, Jan. 9, 2013. Biden is holding a series of meetings this week as part of the effort he is leading to develop policy proposals in response to the Newtown, Conn., school shooting (AP Photo/Susan Walsh)

Vice President Joe Biden, fourth from right, with Attorney General...

Dan Gross, President of the Brady Campaign to Prevent Gun Violence, center, speaks outside the White House in Washington, Wednesday, Jan. 9, 2013, following a meeting with Vice President Joe Biden, victims groups and gun safety organizations in the Eisenhower Executive Office Building on the White House complex. From left are, William Kellibrew, Witness to Violence & Founder William Kellibrew Foundation; Hildy Saizow of Arizona for Gun Safety; Colin Goddard, a survivor of Virginia Tech shooting; Annette Nance-Holt, mother of victim to gang violence; and Lonnie Phillips, stepfather of a Aurora, Colo., shooting victim. Biden is holding a series of meetings this week as part of the effort he is leading to develop policy proposals in response to the Newtown, Conn., school shooting. (AP Photo/Susan Walsh)

Dan Gross, President of the Brady Campaign to Prevent Gun Violence,...

WASHINGTON, DC - JANUARY 09: U.S. Attorney General Eric Holder (2nd R) listens as Vice President Joe Biden (R) makes brief remarks to the press at the beginning of a meeting with and gun violence survivors and victims and gun safety advocacy groups in the Eisenhower Executive Office Building January 9, 2013 in Washington, DC. President Barack Obama appointed Biden to oversee a task force on gun violence. (Photo by Chip Somodevilla/Getty Images)